Portable cabin



FIG. 1 is a perspective view of a portable cabin showing my new design.

FIG. 2 is another perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is side view thereof.

The portable cabin is for use as a portable ATM. 

CLAIM The ornamental design for a portable cabin, as shown and described. 